linux-kernel - Re: [PATCH] KVM: cleanup allocation of rmaps and page tracking data

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Date:   Wed, 20 Oct 2021 11:21:00 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Maxim Levitsky <mlevitsk@...hat.com>, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org
Cc:     seanjc@...gle.com, David Stevens <stevensd@...omium.org>
Subject: Re: [PATCH] KVM: cleanup allocation of rmaps and page tracking data

On 19/10/21 21:28, Maxim Levitsky wrote:
>> +static inline bool kvm_memslots_have_rmaps(struct kvm *kvm)
>> +{
>> +	return !kvm->arch.tdp_mmu_enabled || kvm_shadow_root_alloced(kvm);
>>   }
> Note that this breaks 32 bit build - kvm->arch.tdp_mmu_enabled is not defined.

Indeed, the right test is is_tdp_mmu_enabled(kvm).

Paolo